There are
1,655 mi
from Porterville, CA to Port Lavaca, TX
That's the driving distance. It would take 1 day 4 hours to go from Porterville, California to Port Lavaca, Texas.
The flight distance (direct flight from Porterville, CA to Port Lavaca, TX) is 1,400.67 mi.
1,655 mi = 2,664.00 kms